Quad cane base



FIG. 1 is a perspective view of a quad cane base showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevational view thereof;

FIG. 4 is a back side elevational view thereof;

FIG. 5 is a left side elevational view thereof, with the right side viewbeing a mirror image; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a portion of a cane and the bottom feet isfor illustrative purposes only and forms no part of the claimed design.

The ornamental design for a quad cane base, as shown and described.